The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 14, 2012
Filed:
Feb. 15, 2007
Larry B. Mcallister, Jr., Spartanburg, SC (US);
Slawomir Opuszko, Duncan, SC (US);
Larry B. McAllister, Jr., Spartanburg, SC (US);
Slawomir Opuszko, Duncan, SC (US);
Cryovac, Inc., Duncan, SC (US);
Abstract
A film comprises a skin layer, a base layer, and an intermediate layer between the skin and base layers. The skin layer comprises polyester. The base layer comprises styrenic block copolymer having a styrene monomer content of at least about 50 wt. %. The intermediate layer comprises: (i) one or more polymers selected from alpha-olefin/cyclic-olefin copolymer and alpha-olefin/vinyl aromatic copolymer and (ii) one or more polymers selected from ethylene/unsaturated ester copolymer and styrenic block copolymer having a styrene monomer content of at most about 50 wt. %. The film has a free shrink at 100° C. in at least one direction of at least about 10%. The film may be useful in shrink sleeve applications.